package com.itheima.mapper;

import com.itheima.pojo.Category;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface CategoryMapper {
	//新增
	@Insert("insert into category(category_name,category_alias,create_user,create_time,update_time) " +
			"values(#{categoryName},#{categoryAlias},#{createUser},#{createTime},#{updateTime})")
	void add(Category category);

	//查询所有
	@Select("select * from category where create_user = #{userId}")
	List<Category> list(Integer userId);

	//根据id查询
	@Select("select * from category where id = #{id}")
	Category findById(Integer id);

	//更新
	@Update("update category set category_name=#{categoryName},category_alias=#{categoryAlias},update_time=#{updateTime} where id=#{id}")
	void update(Category category);

	//根据id删除
	@Delete("delete from category where id=#{id}")
	void deleteById(Integer id);
}
